Find the area of the polygon. Only enter the number ,no words or symbols

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12